package com.mastercard.ganadores.struts.Action;

import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;

public class Logout extends Action {

    public ActionForward execute(
            ActionMapping mapping,
            ActionForm form,
            HttpServletRequest request,
            HttpServletResponse response)
            throws
            IOException,
            ServletException {
		// toma la session
		HttpSession session = request.getSession( ) ;
                
                // en caso de null
		if( session == null )
			return mapping.findForward( "success" ) ;
		
		// en caso de no null
		session.removeAttribute( "UserLogin" ) ;
		
		return mapping.findForward( "success" ) ;
	}
    
}
